MANILA, Philippines — Twelve more respondents being investigated for the death of flight attendant Christine Dacera appeared before the National Bureau of Investigation to clear their names, an NBI official said yesterday. The 12 men were said to be billeted at Room 2207 of the City Garden Grand Hotel in Makati, which Dacera also visited during a New Year’s Eve party, according to NBI spokesman Ferdinand Lavin. Lavin said the respondents identified themselves as gay. Their statements were taken